Finding the Third Proportional to 88,635 and 189,730.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,635 : 189,730.50 = 189,730.50 : x
2. Step 2: Convert to fraction form
   88,635/189,730.50 = 189,730.50/x
3. Step 3: Cross multiply
   88,635x = 189,730.50 × 189,730.50
4. Step 4: Simplify right side
   88,635x = 35,997,662,630.25
5. Step 5: Solve for x
   x = 35,997,662,630.25/88,635
6. Step 6: Final answer
   x = 406,133.72